| A | B |
| continental island | land originally part of a continent, separated by rising water or by geological activity |
| copra | dried inner meat of coconuts |
| high island | in Micronesia, a mountainous volcanic island |
| low island | in Micronesia, a low-lying island formed of coral |
| atoll | ring shaped coral reef or island surrounding a small bay |
| phosphate | mineral salt containing phosphorus, used in fertilizers |
| trust territory | region placed under control of a another country by international agreement |
| rookery | nesting place for large numbers of a birds or marine animal |
| ice shelf | part of an ice cap that extends from the land over the ocean |
| crevasse | deep crack in an ice cap or glacier |
| krill | small shrimp like shell fish, source of food for many sea animals |
| ozone | form of oxygen in the atmosphere |